package com.heima.admin.service.impl;

import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.admin.mapper.AdminMapper;
import com.heima.admin.service.AdminService;
import com.heima.model.admin.dtos.AdUserDto;
import com.heima.model.admin.pojos.AdUser;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.utils.common.AppJwtUtil;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

@Service
@Slf4j
@RequiredArgsConstructor
public class AdminServiceImpl extends ServiceImpl<AdminMapper, AdUser>implements AdminService {
    /**
     * 登录
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult login(AdUserDto dto) {
        //1.参数校验
        if (dto ==null || StringUtils.isAnyBlank(dto.getName(),dto.getPassword())){
            return ResponseResult.errorResult(AppHttpCodeEnum.PARAM_INVALID);
        }
        //2.根据用户名查询用户信息
        AdUser adUser = getOne(Wrappers.<AdUser>lambdaQuery().eq(AdUser::getName, dto.getName()));
        if (adUser == null){
            return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST,"用户信息不存在");
        }
        //3.比对密码
        String salt = adUser.getSalt();
        String pswd = dto.getPassword();
        pswd = DigestUtils.md5DigestAsHex((pswd + salt).getBytes());
        if (!pswd.equals(adUser.getPassword())){
            return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
        }
        //4.返回数据 jwt user
        Map<String,Object> map = new HashMap<>();
        map.put("token", AppJwtUtil.getToken(Long.valueOf(adUser.getId())));
        adUser.setSalt("");
        adUser.setPassword("");
        map.put("user",adUser);
        return ResponseResult.okResult(map);
    }
}
